Portable base for a post supported sign



FIG. 1 is a front perspective view of a portable base for a postsupported sign embodying our invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a side elevational view thereof, the opposite side view beinga mirror image.

The ornamental design for a portable base for a post support sign, asshown and described.